/*
 * Copyright (c) 2023 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**---
 description: >
  If the || expression is contextually typed, the operands are contextually typed by the same type. 
  Otherwise, the left operand is not contextually typed and the right operand is contextually typed by the type of the left operand.
 module: ESNext
 isCurrent: true
 ---*/


import { Assert } from '../../../../../suite/assert.js'

var sum = function (x: number, y: number) {
    return x + y
}
var average = function (a: number, b: number) {
    return (a + b) / 2
}
var rela1 = sum || average;
var rela2 = average || sum;
let a = rela1(1, 2);
let b = rela2(1, 2);
Assert.isFunction(rela1);
Assert.isFunction(rela2);
Assert.equal(rela1, sum);
Assert.equal(rela2, average);
Assert.equal(a, 3);
Assert.equal(b, 1.5);